Francisco Díaz Martínez. University degree in environmental sciences. Master's in biodiversity and natural spaces. PhD student in the study of the benefits of contact with nature on human health. Currently, he works as a research technician for the Pediatric Environmental Health Unit of the Region of Murcia (PEHSU, Murcia, Spain) attached to the Biosanitary Research Institute of the Region of Murcia (IMIB Murcia).